{% load staticfiles %}
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>{% block title %}{% endblock %}</title>
    <link rel="stylesheet" href="{% static 'base.css' %}">
    <link rel="stylesheet" href="{% static 'bootstrap-3.3.7/css/bootstrap.min.css' %}">
    <script type="text/javascript" src="{% static 'jquery-1.12.4.min.js' %}"></script>
    <script type="text/javascript" src="{% static 'bootstrap-3.3.7/js/bootstrap.min.js' %}"></script>
    {% block header_extends %}{% endblock %}
</head>
<body>
    <div class="navbar navbar-default navbar-fixed-top" role="navigation">
        <div class="container-fluid">
            <div class="navbar-header">
                <a class="navbar-brand" href="{% url 'home' %}">个人博客网站</a>
                <button class="navbar-toggle collapsed"  data-toggle="collapse" data-target="#navbar-collapse">
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
            </div>
            <div id="navbar-collapse" class="collapse navbar-collapse">
                <ul class="nav navbar-nav">
                    <li class="{% block nav_home_active %}{% endblock %}">
                        <a href="{% url 'home' %}">首页</a>
                    </li>
                    <li class="{% block nav_blog_active %}{% endblock %}">
                        <a href="{% url 'blog_list' %}">博客</a>
                    </li>
                </ul>

                <ul class="nav navbar-nav navbar-right">
                    {% if not user.is_authenticated %}
                        <li>
                            {% if request.GET.from %}
                                <a href="{% url 'login' %}?from={{ request.GET.from }}">登录</a>
                            {% else %}
                                <a href="{% url 'login' %}?from={{ request.get_full_path }}">登录</a>
                            {% endif %}
                        </li>
                        <li>
                            {% if request.GET.from %}
                                <a href="{% url 'register' %}?from={{ request.GET.from }}">注册</a>
                            {% else %}
                                <a href="{% url 'register' %}?from={{ request.get_full_path }}">注册</a>
                            {% endif %}
                        </li>
                    {% else %}
                        <li class="dropdown">
                            <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button">
                                {{ user.get_nickname_or_username }}
                                <span class="caret"></span>
                            </a>
                            <ul class="dropdown-menu">
                                <li><a href="{% url 'user_info' %}">个人资料</a></li>
                                <li><a href="{% url 'change_password' %}">修改密码</a></li>
                                {% if user.is_staff or user.is_superuser %}
                                    <li><a href="{% url 'admin:index' %}">后台管理</a></li>
                                {% endif %}
                                <li><a href="{% url 'logout' %}?from={{ request.get_full_path }}">退出</a></li>
                            </ul>
                        </li>
                    {% endif %}
                </ul>
            </div>
        </div>
    </div>

    {% block content %}{% endblock %}

    <!-- footer -->
    <div class="footer">
        <div class="website-info">
            <p>粤ICP备18135148号-1 Copyright©2018 zqyhdm.com 版权所有</p>
            <p>意见反馈或联系我（2872402050@qq.com）</p>
        </div>
    </div>

    <script type="text/javascript">
        //底部栏置底
        //窗体改变大小事件
        $(window).resize(function(){
            //正文高度
            var body_height = $(document.body).outerHeight(true);

            //底部元素高度
            var bottom_height = $("#footer").outerHeight(true);

            //浏览器页面高度
            var window_height = $(window).height();
            
            //判断并调整底部元素的样式
            if($(".footer").hasClass('page-bottom')){
                //若包含有page-bottom类，就应用了position设置
                //当position为absolute时，body高度不包含这个元素
                //所以页面高度需要判断body和footer之和若小于浏览器窗口
                //则移除样式，让footer自然跟随在正文后面
                if(body_height + bottom_height >= window_height){
                    $(".footer").removeClass('page-bottom');
                }
            }else{
                //若没有page-bottom类，body高度包含footer
                //判断body高度小于浏览器时，则悬浮于底部
                if(body_height < window_height){
                    $(".footer").addClass('page-bottom');
                }
            }
        });

        //页面加载时，模拟触发一下resize事件
        $(window).trigger('resize');
    </script>

    {% block script_extends %}{% endblock %}
</body>
</html>